Re: [RFC PATCH v2 0/3] ARM: dts: Support official Raspberry Pi 7inch touchscreen
From: Detlev Casanova
Date: Tue Mar 29 2022 - 10:15:50 EST
On Monday, February 21, 2022 9:01:14 A.M. EDT Detlev Casanova wrote:
> Add a devicetree overlay to support the official Raspberry Pi 7inch
> touchscreen.
>
> This also demuxes the i2c0 controller to support both pinctrls.
>
> Changes in v2:
> * The device tree in now an overlay
> * The i2c demux patch is kept for now to have a working patch set. It has
> not been merged yet in [1].
> * The device tree overlay doesn't use fragments. It is working as is
> but not enough literature was found to go one way or the other.
>
> [1] https://www.spinics.net/lists/arm-kernel/msg944330.html
>
> Detlev Casanova (3):
> ARM: dts: bcm2*: Demux i2c0 with a pinctrl
> of: Add support for -@ when compiling overlays
> ARM: dto: Add bcm2711-rpi-7-inches-ts.dts overlay
>
> arch/arm/boot/dts/Makefile | 4 +
> arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 1 +
> arch/arm/boot/dts/bcm2711.dtsi | 2 +-
> arch/arm/boot/dts/bcm2835-rpi.dtsi | 9 +-
> .../boot/dts/bcm283x-rpi-i2c0mux_0_44.dtsi | 4 +
> arch/arm/boot/dts/bcm283x.dtsi | 26 +++-
> arch/arm/boot/dts/overlays/Makefile | 3 +
> .../dts/overlays/bcm2711-rpi-7-inches-ts.dts | 125 ++++++++++++++++++
> arch/arm64/boot/dts/broadcom/Makefile | 4 +
> .../arm64/boot/dts/broadcom/overlays/Makefile | 3 +
> .../overlays/bcm2711-rpi-7-inches-ts.dts | 2 +
> drivers/of/Kconfig | 8 ++
> scripts/Makefile.lib | 9 +-
> 13 files changed, 193 insertions(+), 7 deletions(-)
> create mode 100644 arch/arm/boot/dts/bcm283x-rpi-i2c0mux_0_44.dtsi
> create mode 100644 arch/arm/boot/dts/overlays/Makefile
> create mode 100644 arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts
> create mode 100644 arch/arm64/boot/dts/broadcom/overlays/Makefile
> create mode 100644
> arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts
Hello,
Any comments on this ?
Regards,
Detlev.